On Mon, Aug 10, 2009 at 12:59 PM, Nishant Prakash Kashyap<[email protected]> wrote: > There is an proprietory software which says that is had not found block > deivce in the required partition during installation. > > Whats is Block Device and how to make Block Device in Volume Group ? Block devices allow us to retrieve data from the device in randomn. Also, buffering of data is done when data is being retrieved from block devices.
Character devices on the other hand, need not use buffering and we might not necessarily be able to retrieve data in randomn. Also data transfer function call is blocking. In the permission flags, block devices are identified as bxxxxxxxxx while character devices are identified as cxxxxxxxxx. ls -l /dev/sda brw-rw----. 1 root disk 8, 0 2009-08-12 20:29 /dev/sd ls -l /dev/tty crw-rw-rw-. 1 root tty 5, 0 2009-08-12 20:29 /dev/tty --- Ashok `ScriptDevil` Gautham _______________________________________________ To unsubscribe, email [email protected] with "unsubscribe <password> <address>" in the subject or body of the message. http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
